Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation

doi:10.1021/acs.jpcc.5b11362

	Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation
	Wang, Yongfeng 1; Zhou, Xiong 4; Yang, Wenshao 5; Chen, Qiwei 4; Geng, Zhenhua 5; Shao, Xiang 6,7; Li, Jianlong 4; Dai, Dongxu 5; Chen, Wei 2,3; Xu, Guoqin 2,3
刊名	JOURNAL OF PHYSICAL CHEMISTRY C
	2016-01-28
卷号	120 期号:3 页码:1709-1715
ISSN号	1932-7447
DOI	10.1021/acs.jpcc.5b11362
文献子类	Article
英文摘要	A series of model catalysts consisting of Pt single atoms and nanoclusters supported by monolayered CuO film grown at Cu(110) were successfully prepared, which could be stabilized well above room temperature and which exhibited a high performance in CO oxidation at temperatures as low as similar to 360 K. Combined scanning tunneling microscopy and temperature-programmed desorption measurements directly evidenced that at the initial CO oxidation stage, oxygen vacancy in the CuO lattice was generated at the nearest neighbor of the Pt nanoclusters. The experimental measurements showed that the oxidation activity was inversely proportional to the Pt nanocluster size. In contrast, the Pt single atoms possessed no surface reactivity for the CO oxidation because of the early and complete desorption of CO before its oxidation on the model catalysts commenced.
WOS关键词	ONE-DIMENSIONAL SUBSTRATE ; CARBON-MONOXIDE ; CATALYTIC-OXIDATION ; MODEL CATALYST ; ACTIVE GOLD ; IN-SITU ; CLUSTERS ; MECHANISM ; SURFACES ; RECONSTRUCTION
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000369116100038
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/171306]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者	Shao, Xiang; Yang, Xueming; Wu, Kai
作者单位	1.Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China 2.SPURc, 1 CREATE Way,15-01,CREATE Tower, Singapore 138602, Singapore 3.Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore 4.Peking Univ, Coll Chem & Mol Engn, BNLMS, Beijing 100871, Peoples R China 5.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, 457 Zhongshan Rd, Dalian 116023, Peoples R China 6.Univ Sci & Technol China, Sch Chem & Mat Sci, Dept Chem Phys, Hefei 230026, Peoples R China 7.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Wang, Yongfeng,Zhou, Xiong,Yang, Wenshao,et al. Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2016,120(3):1709-1715.
APA	Wang, Yongfeng.,Zhou, Xiong.,Yang, Wenshao.,Chen, Qiwei.,Geng, Zhenhua.,...&Wu, Kai.(2016).Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation.JOURNAL OF PHYSICAL CHEMISTRY C,120(3),1709-1715.
MLA	Wang, Yongfeng,et al."Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation".JOURNAL OF PHYSICAL CHEMISTRY C 120.3(2016):1709-1715.